export {

}

interface Eat {
    eat(food: string): void
}

interface Run {
    run(distance: number): void
}

class Person implements Eat, Run {
    eat(food: string): void {

    }

    run(distance: number) {

    }
}

class Animal implements Eat, Run {
    eat(food: string): void {

    }
    run(distance: number) {

    }
}